Heating degree days (F) - Maine (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Maine, heating degree days were 6.0 degrees Fahrenheit on 23 September 2025, compared to 10.0 on 22 September 2025.
Sample. The daily time series shown in the plot has 16,337 observations. The period covered by the series extends from January 1981 to September 2025.
History. Check out some simple statistics we computed on the full sample: degree days attained a maximum of 78.0 degrees Fahrenheit on 4 January 1981; they reached a trough of 0.0 on 26 May 1981; they had a mean of 21.5.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 14.0 |
| 2025-09-22 | 10.0 |
| 2025-09-23 | 6.0 |
Tip. To make your life easier, we group time series into data sets and worksheets. By moving down the page, you will find how we structured further material linked to the statistics published here.
Not for investment purposes. Data and any other information provided on this web site are not meant for investment purposes or as a basis for financial-decision making. Users should seek expert advice and do their own independent due diligence before making any financial commitments.
Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Maine (US) |
| Economic concept | Heating needs |
| Data type | Estimate based on daily minimum and maximum temperatures |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | Population-weighted averages of weather-station observations |
| Frequency | Daily |
| Unit | Degrees Fahrenheit |
| Source | NOAA National Weather Service |
| Source type | Federal Administration |
| Data licence | Not copyrightable under U.S. law |
| Measure type | 65F - (max_daily_temperature + min_daily_temperature) / 2 |
Series in the same data set
Discover the other time series included in this data set.